Sony PCS-1500 Service Manual page 186

4-2. Self-diagnostics Function
V-3
Video Decoder :
DETECTED ?
YES
The message
"DETECTED. But
Interrupt couldn't detected."
appears?
NO
Video decoder color
bar is OK?
YES
Camera input is OK?
YES
AUX2 input is OK?
YES
AUX1 input is OK?
YES
V-4
n
When the AUX-1 picture and the camera input picture are supplied from the same input source in above
described diagnostics, IC400 or IC401 may be abnormal.
4-56
* Waveform pictures at the input terminals (AUX1, AUX2)
and the Video Encoder (IC400) input terminal, when the
75 % color bar signal is inputted, are shown at the end of
this section.
NO
YES
Camera is connected?
NO
Harness, connector, IC400
or their peripheral
NO
Connector, harness, IC400,
IC401 or their peripheral
NO
Connector, IC400 or
their peripheral
NO
Connector, IC400, IC401
or their peripheral
IC400 [38] = 27 MHz?
YES
Connector, IC400 or their peripheral
NO
Connect a camera
YES
After the system has started up normally
>pass[|]vcpdb↓
>vcx_dwSonyTestSig[|]3↓ (in case of NTSC)
>vcx_dwSonyTestSig[|]5↓ (in case of PAL)
>vcx_dwVidProgramUpdateFlag[|]1↓
Color bar is output?
YES
IC350, IC356, IC357, IC358,
IC400 or their peripheral
NO
IC405, IC354 or their peripheral
NO
IC300 and its peripheral
PCS-1500/1500P